2D self-organization of core/shell COhcp/Co nanocrystals

被引:22
作者
Lisiecki, I. [1 ]
Walls, M. [2 ]
Parker, D. [1 ]
Pileni, M. P. [1 ]
机构
[1] Univ Paris 06, CNRS, UMR 7070, Lab Mat Mesoscop & Nanometr, F-75005 Paris, France
[2] Univ Paris 11, UMR 8502, Phys Solides Lab, F-91405 Orsay, France
关键词
D O I
10.1021/la703215g
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In this paper we report the preparation of ordered hexagonal 2D arrays of core/shell Co-hcp/CoO nanocrystals. A full structural investigation has been carried out using high-resolution transmission electron microscopy, electron diffraction, and electron energy-loss spectroscopy.
引用
收藏
页码:4295 / 4299
页数:5
相关论文
共 16 条
[1]   Intrinsic vibrational coherence in face-centered cubic supra-crystals of silver nanocrystals: Raman scattering measurements [J].
Courty, A ;
Albouy, PA ;
Mermet, A ;
Duval, E ;
Pileni, MP .
JOURNAL OF PHYSICAL CHEMISTRY B, 2005, 109 (44) :21159-21166
[2]  
Egerton R. F., 1996, ELECT ENERGY LOSS SP
[3]   EXCHANGE-ANISOTROPY IN OXIDE PASSIVATED CO FINE PARTICLES [J].
GANGOPADHYAY, S ;
HADJIPANAYIS, GC ;
SORENSEN, CM ;
KLABUNDE, KJ .
JOURNAL OF APPLIED PHYSICS, 1993, 73 (10) :6964-6966
[4]   SPECTRUM-IMAGE - THE NEXT STEP IN EELS DIGITAL ACQUISITION AND PROCESSING [J].
JEANGUILLAUME, C ;
COLLIEX, C .
ULTRAMICROSCOPY, 1989, 28 (1-4) :252-257
[5]   Synthesis of well-defined and low size distribution cobalt nanocrystals: The limited influence of reverse micelles [J].
Lisiecki, I ;
Pileni, MP .
LANGMUIR, 2003, 19 (22) :9486-9489
[6]   Face-centered cubic "supracrystals" of cobalt nanocrystals [J].
Lisiecki, I ;
Albouy, PA ;
Pileni, MP .
ADVANCED MATERIALS, 2003, 15 (09) :712-716
[7]   Emergence of new collective properties of cobalt nanocrystals ordered in fcc supracrystals: I, structural investigation [J].
Lisiecki, Isabelle ;
Salzemann, Caroline ;
Parker, Dinah ;
Albouy, Pierre-Antoine ;
Pileni, Marie-Paule .
JOURNAL OF PHYSICAL CHEMISTRY C, 2007, 111 (34) :12625-12631
[8]   Assemblies of ferrite nanocrystals: Partial orientation of the easy magnetic axes [J].
Ngo, AT ;
Pileni, MP .
JOURNAL OF PHYSICAL CHEMISTRY B, 2001, 105 (01) :53-58
[9]   Shell-driven magnetic stability in core-shell nanoparticles [J].
Nogues, J. ;
Skumryev, V. ;
Sort, J. ;
Stoyanov, S. ;
Givord, D. .
PHYSICAL REVIEW LETTERS, 2006, 97 (15)
[10]   Emergence of new collective properties of cobalt nanocrystals ordered in fcc supracrystals: II, magnetic investigation [J].
Parker, Dinah ;
Lisiecki, Isabelle ;
Salzemann, Caroline ;
Pileni, Marie-Paule .
JOURNAL OF PHYSICAL CHEMISTRY C, 2007, 111 (34) :12632-12638